Chemical sensor device



FIG. 1 is a top view of the chemical sensor device.

FIG. 2 is an angular view demonstrating the top and the left-hand side of the chemical sensor device.

FIG. 3 is an angular view demonstrating the top and the right-hand side of the chemical sensor device.

FIG. 4 is a bottom view of the chemical sensor.

FIG. 5 is an angular view demonstrating the bottom and the right- and the left-hand sides of the chemical sensor device.

FIG. 6 is a side view of the chemical sensor demonstrating the bottom side.

FIG. 7 is a side view of the chemical sensor demonstrating the left-hand side.

FIG. 8 is a side view of the chemical sensor demonstrating the right-hand side; and,

FIG. 9 is a side view of the chemical sensor demonstrating the corner of the right-hand and the left-hand sides. 

CLAIM The ornamental design for a chemical sensor device, as shown and described. 